16.An object with a mass of 10 kg has a speed of 5 m per second. The kinetic energy of the object is (a) 25 3 (b) 50 ) (c) 125 J (d) 250 3

Q: Problem 2: Suppose an elephant has a mass of 2950 kg. How fast, in meters per second, does the…

A: Given: The mass of elephant is m=2950 kg. The mass of the sprinter is M=69.5 kg. The velocity of…

Q: 2. What is the mass of a truck if its kinetic energy is 5500 J and travels at a speed of 65 km/h. 65…

A: Given. Mass = m velocity = 65 km/h V = 65*1000/3600 m/s. V = 18.055 mps.

Q: 2. What is the mass of a girl if she was raised 2.00 m off the ground and has a potential energy of…

A: Given data: The potential energy is E=555 J. Distance from ground is h=2 m.

Q: 14. What is the total kinetic energy of an object that is 5 kg and moving 25 m/s due West? (2 pts.)…

A: Given  Mass (m) = 5 kg  Speed (v) = 25 m/s    Kinetic energy of the object  KE = (1/2) mv2

Q: 2. An object has a kinetic energy of 25 J and a mass of 34 kg , how fast is the object moving?

A: Given, Mass of an object, m=34Kg Kinetic energy of an object, KE= 25J

Q: 9. The 1.25 kg box, starting from rest, slides down the ramp and into the spring (k=10 N/m)…

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Q: 20. A 7.00-kg bowling ball moves at 3.00 m/s. How fast (in m/s) must a 2.45-g Ping-Pong ball move so…

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Q: 7. A ball is raised 5.0 m off the ground and weighs 750 g. What is its potential energy? 750 grams =…

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Q: 9. A compound wound spring has a spring constant k=2*x^2 + 18*x. It is compressed x-0 to x-0.8…

A: “Since you have asked multiple question, we will solve the first question for you. If you  want any…

Q: How fast must a 2800 kg car be moving to have a kinetic energy of: 2.0 x 10^3 J 2.0 x 10^2 J 2.0…

A: Given data: Mass of car is, m=2800 kg. Kinetic energies are, E1=2.0×103 JE2=2.0×102 JE3=2.0×105 J

Q: 7.19 kg bowling ball moves at 3 m/s. How fast must a 2.25 g Ping-Pong ball move so that the two…

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Q: What is the kinetic energy of the Hulk if he has a mass of 192.3 kg and is flying at a speed of…

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Q: 51. A force of 0.2 newton is needed to compress a spring a distance of 0.02 meter. The potential…

A: Given: The applied force is 0.2 N. Then compression in the spring is 0.02 m.

Q: How much work is required to throw a ball with a mass of 0.46 kg 33.1 m/s? Assume the ball starts at…

A: Given Mass of ball = 0.46 kg Initial velocity of ball = 0 m/s Final velocity of ball = 33.1 m/s We…

Q: Find the potential energy gained by a body of mass 25 kg, if it is raised by 5 m. (use g = 10 m/s2)…

A: The given values with suitable variables are listed below. Here, m denotes the mass, h denotes the…

Q: A mass of 1.0 kg is dropped from a height of 10.0 m. What is its kinetic energy when it is 2.0 m…

A: Given data:  Mass (m) = 1.0 kg Initial Height (hi) = 10.0 m initial velocity (vi) = 0 m/s Final…

Q: A bodybuilder lifts a 150 kg barbell to a height of 3.0 m.  What is the work done by the bodybuilder…

A: The potential energy is given by  U = m g h  where, m is the mass,  g is the gravity and h is the…

Q: A 7.03 kg bowling ball moves at 2.85 m/s. How fast must a 2.26 g Ping-Pong ball move so that the two…

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Q: How fast should a 100 kg football player run to have the same kinetic energy as a 156 kg player…

A: Given data:  Mass of first player (m1) = 100 kg Mass of second player (m2) = 156 kg Speed of second…

Q: If a 1300-kg car has been lifted so it has 19500 J of potential energy, it was lifted up O 150 m O…

A:

Q: 4- Which of the following is NOT a stored form of energy? (a) chemical energy (b) gravitational…

A: Part (4): Introduction: It is the energy that holds these particles together. Biomass, petroleum,…

Q: A pitching machine uses 122J of energy to throw a baseball with a mass of 0.145kg at a speed of…

A: Energy of pitching machine (E) = 122 J Mass of baseball (m) = 0.145 kg speed with which the ball…

Q: An object with a mass of 2.30kg is initially moving at a rate of 4.16m/s. A net work of 32.5 J is…

A: According to the work- energy theorem, change in kinetic energy equal to the work done by the system

Q: Calculate the total kinetic energy, in Btu, of an object with a mass of 10 lbm when its velocity is…

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Q: A car travelling at a speed of 60 km/h has a kinetic energy of 200 kJ. If the speed of the car is…

A: Given data The initial velocity of the car is given as u = 60 km/h. The initial kinetic energy of…

Q: A 2.25 kg stone, moves from a height of 220 cm with a velocity of 1.65 m/s, what is its mechanical…

A:

Q: A quarterback throws a football weighing 205 g at a speed of 10.0 km/h at a height of 20.0 m. What…

A: Given,A quaterback throws a footballweighing, m = 205 g = 0.205 kgspeed, v = 10.0 km/h = 2.78…

Q: A car travelling at a speed of 60 km/h has a kinetic energy of 200 kJ. If the speed of the car is…

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Q: How high would you have to lift a 2000 kg car to give it a potential energy of: (a) 4. 0 x 103 J ,…

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Q: What is the kinetic energy of the Hulk if he has a mass of 192.3 kg and is flying at a speed of…

A:

Q: 11. A pitcher throws a baseball, with a mass of 160 g, at a speed of 15.2 m/s from a height of 1.59…

A: Potential energy of an object of mass, m due to gravitational force at a height h is given by U=mgh

Q: A ball of mass 8.59 kg moving with speed 0.81 m/s hits a wall and bounces back with speed 0.21 m/s…

A: Given : m = 8.59 kg vi = 0.81 m/s vf = -0.21 m/s (negative because ball bounces back and moves in…

Q: How fast (in meters per second) must an iron ball with a mass of 41.5 g be traveling in order to…

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Q: A body loses 392 J of potential energy in falling through 5 m. If the gravitational acceleration is…

A: Express the relation for the potential energy lost by the body. PE=mgh Here, PE is the potential…

Q: 13. A mass of 1 kg. was released from a 1,000 meter height. What is its Potential Energy at the…

A: Given : m = 1 kg H = 1000 m

Q: 5.3- at What is the kinetic energy of a 1400 kg traveling car 7.4x 10' J B 2.0 x 10 J 7.3x 10 J 2.8…

A: Given: Mass of the car, m = 1400 kg. Velocity of the car, v = 5.3 m/s.   To Find: The kinetic energy…

Q: A 0.300-kg football is thrown through the air. At a height of 1.71 m above the surface of Earth, it…

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Q: A 700-kg car accelerates uniformly from 3 m/s to 8 m/s. The work done on the car (in kJ) is: O a…

A: Given:-  mass of car = 700 Kg vi = 3m/s vf = 8m/s g= 9.8 m/s2

Q: The kinetic energy of a 1000.01-kg car is 6.201 × 105 J. How fast is the car moving?

A: Given data:  Mass (m) = 1000.01 kg Kinetic Energy (KE) = 6.201×105 J Required: Speed of the car (v)

Q: 4. A 6.00 Kg iron ball moves at 2.75 m/s. How fast must a 2.65 g steal ball move so that the two…

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Q: A 2500 kg car accelerates from rest to a velocity of 30.0 m/s in 8.00 seconds. The work done by the…

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Q: A car travelling at a speed of 60 km/h has a kinetic energy of 200 kJ. If the speed of the car is…

A:

Q: 24. The transfer of energy to a body by the application of force that causes the body to move in the…

A: The transfer of energy to a body by applying force that makes the body move in the direction of the…

Q: A 69 kg passenger in an airplane has a kinetic energy of 4.3x 10^6 j. What is t

A: Kinetic energy is proportional to the square of velocity. Mathematically it can be expressed as,…

Q: 11. A car has a speed of 90 km/h and a mass of 7 000 kg. What is its kinetic energy? 90 km/h = 25.0…

A: 11)  Kinetic energy KE =(1/2)mv2 Given, Mass of car,  m = 7000 kg Speed,  v = 90 km/hr = 25 m/s…

Q: A 3 kg ball falls from height of 14 m. What willbe potential energy of the ball after 1 second?  Use…

A: given, mass (m)= 3 kg height (h)= 14 m S= ut+12gt2 So, initial velocity (u)= 0 how much the ball…

Q: What is the total energy of a 10 N object dropped from a height of 10 m after 0.5 seconds? 1J 10 J…

A: Initially, the object is at some height so the total energy of the object become equal to potential…

Q: 7. What is the velocity of a 1,500 kg car if its kinetic energy is 350 kJ?

A: